Plenty of feedback about Norton Core posted here - https://community.norton.com/en/forums/norton_core Personally, I'll pass.
Any using Norton Core probably regrets it. https://community.norton.com/en/forums/dont-call-tech-support-their-core-servers-are-down-12222017 https://community.norton.com/en/forums/norton-core-server-outage https://community.norton.com/en/forums/its-time-fire-core-project-leader-and-support-staff